/**
  * Get card types available for Braintree
  * @return array
  */
 private function getConfiguredCardTypes()
 {
     $types = $this->ccType->getCcTypeLabelMap();
     $configCardTypes = array_fill_keys($this->gatewayConfig->getAvailableCardTypes(), '');
     return array_intersect_key($types, $configCardTypes);
 }